Table 5.
Determination coefficients and probability of second degree polynomials for yield, color value and total anthocyanin contents of purified anthocyanin from Bokbunja byproducts.

	Regressions	HCl				TFA
		Linear	Quadratic	Cross product	Total regress	Linear	Quadratic	Cross product	Total regress
		Yield	R2	0.9656	0.0335	0.0005	0.9996	0.9676	0.0315	0.0001	0.9992
Prob>F	<0.0001		0.0012	0.1538	<.0001	<.0001	0.0037	0.6067	<.0001
Color value	R2	0.5226	0.3689	0.0283	0.9238	0.5554	0.1320	0.0765	0.7638
	Prob>F	<.0001	<.0001	0.0565	<.0001	0.0007	0.0697	0.0722	0.0018
Total anthocyanin contents	R2	0.5862	0.3451	0.0052	0.9364	0.4736	0.1449	0.1059	0.7244
	Prob>F	<.0001	<.0001	0.3435	<.0001	0.0025	0.0793	0.0529	0.0043